Alt (surname)

Alt is a surname. Notable people with the surname include:


 * Albrecht Alt (1883–1956), German bible scholar and Protestant theologian
 * Carol Alt (born 1960), American model and actress
 * Don Alt (1916-1988), American politician and businessman
 * Ernst Alt, German Roman Catholic priest and exorcist
 * Helmut Alt, German computer scientist
 * Franz Alt (mathematician) (1910–2011), Austrian-born American mathematician
 * Franz Alt (painter) (1821–1914), Austrian painter, brother of Rudolf
 * J. Kenji López-Alt, American chef and food writer
 * Jakob Alt (1789–1872), Austrian painter, father of painters Franz and Rudolf
 * Joe Alt (born 2003), American football player
 * John Alt (born 1962), German-American football player
 * Mark Alt (born 1991), American ice hockey player
 * Renata Alt (born 1965), German politician
 * Rudolf von Alt (1812–1905), Austrian painter
 * Salome Alt (1568–1633), Austrian wife of Wolf Dietrich (von) Raitenau
 * Susanne Alt (born 1978), German female saxophonist